1497091248 has 100 divisors (see below), whose sum is σ = 4346808840. Its totient is φ = 497442816.

The previous prime is 1497091237. The next prime is 1497091283. The reversal of 1497091248 is 8421907941.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 448048 + ... + 451376.

Almost surely, 2^1497091248 is an apocalyptic number.

1497091248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497091248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173404420).

1497091248 is an abundant number, since it is smaller than the sum of its proper divisors (2849717592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1497091248 is a wasteful number, since it uses less digits than its factorization.

1497091248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1497091248 is about 38692.2634127289. The cubic root of 1497091248 is about 1143.9738326777.

The spelling of 1497091248 in words is "one billion, four hundred ninety-seven million, ninety-one thousand, two hundred forty-eight".